GB2182219B - High gain feed back amplifier - Google Patents

High gain feed back amplifier

Info

Publication number
GB2182219B
GB2182219B GB8526222A GB8526222A GB2182219B GB 2182219 B GB2182219 B GB 2182219B GB 8526222 A GB8526222 A GB 8526222A GB 8526222 A GB8526222 A GB 8526222A GB 2182219 B GB2182219 B GB 2182219B
Authority
GB
United Kingdom
Prior art keywords
feed back
high gain
back amplifier
gain feed
amplifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB8526222A
Other versions
GB8526222D0 (en
GB2182219A (en
Inventor
George Hedley Storm Rokos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
STC PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by STC PLC filed Critical STC PLC
Priority to GB8526222A priority Critical patent/GB2182219B/en
Publication of GB8526222D0 publication Critical patent/GB8526222D0/en
Priority to US06/921,217 priority patent/US4757270A/en
Priority to BE2/61075A priority patent/BE905648A/en
Publication of GB2182219A publication Critical patent/GB2182219A/en
Application granted granted Critical
Publication of GB2182219B publication Critical patent/GB2182219B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/083—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/38—Positive-feedback circuit arrangements without negative feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/0416—Frequency selective two-port networks using positive impedance converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB8526222A 1985-10-24 1985-10-24 High gain feed back amplifier Expired - Fee Related GB2182219B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8526222A GB2182219B (en) 1985-10-24 1985-10-24 High gain feed back amplifier
US06/921,217 US4757270A (en) 1985-10-24 1986-10-20 High gain feedback amplifier
BE2/61075A BE905648A (en) 1985-10-24 1986-10-24 HIGH GAIN REACTION AMPLIFIER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8526222A GB2182219B (en) 1985-10-24 1985-10-24 High gain feed back amplifier

Publications (3)

Publication Number Publication Date
GB8526222D0 GB8526222D0 (en) 1985-11-27
GB2182219A GB2182219A (en) 1987-05-07
GB2182219B true GB2182219B (en) 1990-07-04

Family

ID=10587174

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8526222A Expired - Fee Related GB2182219B (en) 1985-10-24 1985-10-24 High gain feed back amplifier

Country Status (3)

Country Link
US (1) US4757270A (en)
BE (1) BE905648A (en)
GB (1) GB2182219B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6002299A (en) * 1997-06-10 1999-12-14 Cirrus Logic, Inc. High-order multipath operational amplifier with dynamic offset reduction, controlled saturation current limiting, and current feedback for enhanced conditional stability
US6087897A (en) * 1999-05-06 2000-07-11 Burr-Brown Corporation Offset and non-linearity compensated amplifier and method
US6466091B1 (en) 2000-10-02 2002-10-15 Cirrus Logic, Inc. High order multi-path operational amplifier with reduced input referred offset
US6307430B1 (en) 2000-10-02 2001-10-23 Cirrus Logic, Inc. Noise reduction technique in chopper stabilized amplifier
US6515540B1 (en) 2001-12-10 2003-02-04 Cirrus Logic, Inc. High order multi-path operational amplifier with output saturation recovery
US10432242B1 (en) * 2018-05-09 2019-10-01 Morse Micro Pty Ltd Low noise broadband amplifier with resistive matching

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028634A (en) * 1976-02-11 1977-06-07 Bell Telephone Laboratories, Incorporated Feed-forward amplifier with simple resistive coupling
GB1584941A (en) * 1978-01-10 1981-02-18 Wai Lityen Output signal correcting circuit
GB2080066A (en) * 1980-07-12 1982-01-27 Philips Nv Variable-gain amplifier arrangement with improved linearity

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028634A (en) * 1976-02-11 1977-06-07 Bell Telephone Laboratories, Incorporated Feed-forward amplifier with simple resistive coupling
GB1584941A (en) * 1978-01-10 1981-02-18 Wai Lityen Output signal correcting circuit
GB2080066A (en) * 1980-07-12 1982-01-27 Philips Nv Variable-gain amplifier arrangement with improved linearity

Also Published As

Publication number Publication date
BE905648A (en) 1987-02-16
GB8526222D0 (en) 1985-11-27
GB2182219A (en) 1987-05-07
US4757270A (en) 1988-07-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921024